Information about #21C45A color

#21C45A color image

Basic facts about this digital color

#21C45A falls into the Spring Green Color Family — High Saturation, Light brightness. The mix behind it: rgb(33, 196, 90) — 12.9% red, 76.9% green, 35.3% blue; the print equivalent is CMYK 64 / 0 / 42 / 23. Curious how these numbers work? Read our RGB color codes guide.

#21C45A presents itself as a vivid, lively spring green — one that carries an easy, daylight feel. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is a near neighbor of Spotify Green (#1DB954). Slightly further away sit Algae Green (#21C36F) and Cool Green (#33B864).

Technically, the mix leans on its green channel (rgb(33, 196, 90)), which gives #21C45A its character. On this background, black text reaches a 9.1:1 contrast ratio (passing WCAG AAA); white stays at 2.3:1. #21C45A has no official name yet. If this shade means something to you, you can be the one to name it.

#21C45A color variations

View this color variations of tints, shades, tones and hues.

#21C45A color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #21C45A

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Conversions between color systems and etc.

  • HEX#21C45A
  • RGB33, 196, 90
  • CMYK64, 0, 42, 23
  • CSSrgb(33, 196, 90)
  • HSL141°, 71%, 45%
  • HSL Precise140.982°, 71.179%, 44.902%
  • HSV141°, 83%, 77%
  • HSB141°, 83%, 77%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.769
  • Normalized B (0.0–1.0)0.353
  • GLSLvec3(0.129, 0.769, 0.353)
  • GLSL with alphavec4(0.129, 0.769, 0.353, 1.000)
  • HLSL / Metalfloat3(0.129, 0.769, 0.353)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB76.9%
  • Percentage of Blue in RGB35.3%
  • Color FamilySpring Green
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID21C45A
  • DECIMAL ID2212954
  • Name LengthThis color has no name
  • Seen by search & AI crawlers25 times
  • Counting from2025-01-01